I have 4000MHz ram in 4 slots but in UEFI BIOS it's showing 2133MHz under DRAM STATUS and while checking in task manager under performance tab, I see 4000MHz. : r/pcmasterrace
Patriot Viper Steel Series - DDR4 UDIMM PC4-32000 (4000MHz) CL19_Dual
DDR4 Memory at 4000 MT/s, Does It Make a Difference? | TechSpot